Mercury Concentrations in Museum Specimens of Tuna and Swordfish

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Science  10 Mar 1972:
Vol. 175, Issue 4026, pp. 1121-1122
DOI: 10.1126/science.175.4026.1121


The mercury levels of museum specimens of seven tuna caught 62 to 93 years ago and a swordfish caught 25 years ago have been determined by instrumental neutron activation analysis. These levels are in the same range as those found in specimens caught recently.